654062988 has 12 divisors (see below), whose sum is σ = 1526147000. Its totient is φ = 218020992.

The previous prime is 654062987. The next prime is 654063019. The reversal of 654062988 is 889260456.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (654062987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27252613 + ... + 27252636.

Almost surely, 2^654062988 is an apocalyptic number.

It is an amenable number.

654062988 is an abundant number, since it is smaller than the sum of its proper divisors (872084012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

654062988 is a wasteful number, since it uses less digits than its factorization.

654062988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54505256 (or 54505254 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The square root of 654062988 is about 25574.6551882914. The cubic root of 654062988 is about 868.0402393090.

The spelling of 654062988 in words is "six hundred fifty-four million, sixty-two thousand, nine hundred eighty-eight".